#define  _CRT_SECURE_NO_WARNINGS  1
#include <stdio.h>
int my_strlen(char *s)
{
	int count = 0;
	while (*s != '\0')
	{
		count++;
		s++;
	}
	return count;
}
int main()
{
	char arr[] = "abcdef";
	int a = my_strlen(arr);
	printf("%d", a);

	return 0;
}